Mass-Labelled PCDD/PCB Sampling Spike, 1.2ml, nonane Back Catalog number: DFP-SS-A Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 73422 1,2-Methylenedioxybenzene Price on request 3395.13-100-CY Ethalfluralin Price on request 95454 PCB Congeners & Hexachlorobenzene Mix #5 Price on request